Comparison

Dexcom G7 vs Libre by Abbott

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Dexcom G7

This app provides real-time glucose monitoring for diabetes management. It offers customizable alerts for high or low glucose levels and allows sharing data with loved ones and healthcare teams. Integrates with smartwatches and other health apps for comprehensive insights.

Highlights
  • Real-time glucose monitoring
  • Customizable high/low glucose alerts
  • Data sharing with followers
  • Integration with healthcare teams
  • Apple Watch connectivity
  • Digital health app integrations
  • Fasting glucose logging
Features
Currently charting
Read full description

Know your glucose number and where it’s heading with the Dexcom G7 Continuous Glucose Monitoring (CGM) System. Only use this app if you have the Dexcom G7 CGM System.* Before you start making treatment decisions with Dexcom G7, work with your healthcare professional to learn how. The Dexcom G7 Continuous Glucose Monitoring (CGM) System supports more empowered and integrated diabetes management. Its low-profile, wearable sensor provides real-time glucose data to a user’s compatible display device, no fingersticks required.† Dexcom G7 also offers customizable alerts that can help warn of high or low glucose levels, as well as remote monitoring and reporting options that help keep users connected to their loved ones and care teams anytime, anywhere. *To view a list of compatible devices, visit dexcom.com/compatibility. †If your glucose alerts and readings from Dexcom G7 do not match symptoms or expectations, use a blood glucose meter to make diabetes treatment decisions. In addition to the accurate performance provided by the Dexcom Sensor, you’ll receive other valuable features: • Share your glucose data with up to 10 followers who can monitor your glucose data and trends on their compatible smart device with the Dexcom Follow app. Share and Follow functions require an internet connection • Clarity Clinic is now integrated into the G7 connections tab, making it easy to share data with your Clarity healthcare team • Now you can log your estimated fasting glucose in the Dexcom G7 app. Regularly tracking your fasting glucose allows you and your healthcare team to identify trends in your glucose levels • Connect G7 Sensor directly to your Apple Watch, giving you the freedom and convenience of real-time glucose readings on your wrist even when you’re not near your phone** • Digital Health app integrations allow you to share your glucose data with third-party health apps and lifestyle devices • Now you can see your health and activity data from connected apps and devices on your G7 trend graph • Add a shortcut so you can ask Siri to read your current glucose value, using a custom phrase • Dexcom Clarity summary insights are integrated into the G7 app, so that you can see both real-time and retrospective glucose insights from the same app Apple Watch: • View your glucose information, trend graph, and alerts right from your wrist with the Dexcom G7 Apple Watch app. Watches require compatible smart device to use app. G7 app features and partner integrations may differ by region. Refer to your user guide for more information. **Compatible smartphone is required to pair a new Dexcom G7 sensor with a compatible Apple Watch. Dexcom G7 users must continuously have their smartphone within 20 feet / 6 meters to utilize the Share/Follow features. Apple Watch is not capable of Share/Follow.

About

Libre by Abbott

This app provides continuous glucose monitoring for individuals with diabetes. It automatically updates glucose readings to your phone every minute and offers insights into trends and settings. Compatible with specific FreeStyle Libre sensors, it aids in managing diabetes by tracking glucose levels.

Highlights
  • Continuous glucose monitoring
  • Automatic readings every minute
  • Glucose trend insights
  • Compatibility with FreeStyle Libre 2 and 3
  • Generative AI for food impact analysis
Currently charting
Read full description

Libre app[±] is a continuous glucose-monitoring (CGM) app that helps people living with diabetes track their glucose. Compatible with FreeStyle Libre 2 and 3 system sensors. Why Libre app: • Readings automatically update on your phone[±] every minute. • Insights, a tap away. Designed to easily find readings, trends, and settings. COMPATIBILITY Compatibility may vary between operating systems. Learn more about compatible phones and devices at https://www.freestyle.abbott/us-en/support.html. APP INFORMATION Libre app[±] is intended for measuring glucose levels in people with diabetes age 4+ when used with FreeStyle Libre 2 and FreeStyle Libre 3 sensors, and for people with diabetes age 2+ when used with FreeStyle Libre 2 Plus and FreeStyle Libre 3 Plus sensors. For more information, refer to the user’s manual, accessible in the app. Consult a healthcare professional to confirm if this product is right for you or if you have questions about how to use this product to make treatment decisions. ±. For information about device compatibility, see https://www.freestyle.abbott/us-en/support.html ǂ. Libre Assist is a feature within Libre app that uses generative artificial intelligence to provide information on how foods could impact your glucose levels. Generative artificial intelligence may not always be accurate, and it should not be used to make treatment decisions. ◊. Do not use the smartwatch app for treatment decisions. Follow the Libre app instructions on your smartphone. ø. Glucose data and alerts appear on your smartwatch only when your phone is in range of the sensor. Alerts are mirrored from the Libre phone app. Ensure your phone settings are enabled to receive notifications. *. Notifications will only be received when alarms settings are enabled and turned on and sensor is within 20 feet (FreeStyle Libre 2 system) 33 feet (FreeStyle Libre 3 system) unobstructed of the reading device. π. The user’s device must have internet connectivity for glucose data to automatically upload to LibreView and to transfer to connected LibreLinkUp app users. µ. LibreView data management software is intended for use by both patients and healthcare professionals to assist people with diabetes and their healthcare professionals in the review, analysis, and evaluation of historical glucose meter data to support effective diabetes management. LibreView software is not intended to provide treatment decisions or to be used as a substitute for professional healthcare advice. Δ. LibreLinkUp app is only compatible with certain mobile devices and operating systems. Check the Support section of www.librelinkup.com for more information about device compatibility before using the app. Use of the LibreLinkUp app requires registration with LibreView. Product for prescription only, for Important Safety Information please visit FreeStyleLibre.us The sensor housing, FreeStyle, Libre, and related brand marks are marks of Abbott. Other trademarks are the property of their respective owners. For additional legal notices, terms of use, product labeling, and interactive tutorial, go to: http://www.FreeStyleLibre.com. If you’re experiencing any issues, contact Customer Service directly.

Screenshots

Dexcom G74 screens
Libre by Abbott4 screens

Verdict

The call

The clearest difference is rating: Libre by Abbott at 4.6 against Dexcom G7's 3.1. Libre by Abbott also leads on review sentiment (40% vs 16%) and ratings volume (110K vs 8.6K). Dexcom G7's advantage is update cadence (every 6 weeks vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Libre by Abbott holds the better App Store score, 4.6 against 3.1. That said, the two scores are not equally well evidenced: Libre by Abbott has 110K ratings behind it against 8.6K, so its average is the more settled of the two. Written reviews point the same way: 16% of Dexcom G7's written reviews are positive against 40% of Libre by Abbott's.

UpkeepUpdate frequency

Dexcom G7 ships an update every 6 weeks, Libre by Abbott every 3 months. Both last shipped on September 24, 2026.

Scorecard5 real differences · 6 level
Dexcom G7 versus Libre by Abbott: the parameters behind the verdict, then further details
ParameterDexcom G7Libre by Abbott
PriceFreeFree
Rating3.1 (8.6K ratings)4.6 (110K ratings) — better
Positive reviews15.8% of reviews39.5% of reviews — better
Number of ratings8.6K110K — better
Update frequencyEvery 6 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank#22 — better#30
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS18.616.0 — better
Further details — not scored
Size599 MB112 MB
Age rating4+4+
DeveloperDexcomAbbott Labs

Customer experience

Dexcom G7

All ratings8,591 ratings
Positive46.8%
Neutral12.0%
Negative41.2%
Written reviews2,381 reviews
Positive15.8%
Neutral14.2%
Negative70.0%

Libre by Abbott

All ratings3,267 ratings
Positive82.3%
Neutral7.5%
Negative10.3%
Written reviews2,495 reviews
Positive39.5%
Neutral16.4%
Negative44.1%

User reviews

Dexcom G7

From 8.6K App Store ratings

What we love

  • 🚀 Quick sensor warmup time
  • 🌟 Smaller and more comfortable sensor
  • 🔍 Accurate glucose readings
  • 📊 Clarity integration in the app
  • 🕰️ 12-hour grace period before sensor expiration

Room to improve

  • 🔌 Frequent signal loss and connection issues
  • 🔔 Obnoxious and disruptive alert sounds
  • 🧭 Lack of customization for alert settings
  • 🔍 Inconsistent and inaccurate readings at times
  • 🧠 Confusing and unintuitive app interface

Libre by Abbott

From 110K App Store ratings

What we love

  • 🚀 Streaming every minute
  • 👍 User-friendly design
  • ⭐️ Five-star rating

Room to improve

  • 🔧 Needs more customization
  • 🔍 Lack of detailed view
  • 🔌 Unreliable connection
  • 🔊 Persistent alarms

Bugs and requests

Dexcom G7

Reported bugs

5 issues
  • App freezes when accessing the Connections tab
  • Calibration process often gets stuck or fails
  • Sensor failure and disconnection issues
  • Inconsistent behavior with low power mode and screen time
  • Location-based restrictions preventing app setup

Requested features

5 requests
  • Add a widget for quick glucose level access
  • Improve Apple Watch integration and functionality
  • Allow customization of target glucose ranges
  • Provide more detailed historical data and reporting
  • Implement a dark mode for better visibility

Libre by Abbott

Reported bugs

2 issues
  • Cannot connect to active sensor
  • No historical data transfer

Requested features

9 requests
  • Apple Health connectivity
  • Widget support
  • Dual sensor connections
  • Customizable alert profiles
  • Delayed high alerts
Show 4 more
  • Sensor calibration
  • Apple Watch integration
  • Glucose home screen updates
  • Trend line zoom

In-app purchases

None

Dexcom G7

No in-app purchases

None

Libre by Abbott

No in-app purchases

Questions

Is Dexcom G7 free?
Dexcom G7 is free to download, with no in-app purchases.
Is Libre by Abbott free?
Libre by Abbott is free to download, with no in-app purchases.
Which has better reviews, Dexcom G7 or Libre by Abbott?
Libre by Abbott is rated higher. Dexcom G7 averages 3.1 out of 5 from 8.6K ratings, while Libre by Abbott averages 4.6 from 110K ratings.
Do Dexcom G7 or Libre by Abbott have ads?
Neither Dexcom G7 nor Libre by Abbott shows ads.
Which is updated more often, Dexcom G7 or Libre by Abbott?
Dexcom G7 ships an update every 6 weeks, and Libre by Abbott every 3 months. Most recently, Dexcom G7 was updated on September 24, 2026 and Libre by Abbott on September 24, 2026.
Which is more popular, Dexcom G7 or Libre by Abbott?
Dexcom G7 currently peaks at #22 in the App Store charts, and Libre by Abbott at #30. Chart position reflects recent download velocity rather than total install base.

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